.article-page{padding-bottom:3.5rem}.post-header{border-bottom:1px solid var(--line);background:linear-gradient(#fff 0%,#f7faff 100%);padding:2.2rem 0 1.75rem}.ph-inner{max-width:46rem;width:min(100% - 2.5rem, var(--max));box-sizing:border-box;margin:0 auto;padding:0 1.25rem}@media (width>=1100px){.ph-inner{margin-left:max(1.25rem, calc((100% - var(--max)) / 2 + 1.25rem));width:min(46rem, calc(var(--max) - 14.5rem - 2rem));padding:0}}.breadcrumb{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.45rem;margin:0 0 1rem;font-size:.85rem;display:flex}.breadcrumb a{color:var(--muted)}.breadcrumb a:hover{color:var(--brand)}.breadcrumb .sep{color:#5f7a998c}.ph-chips{flex-wrap:wrap;gap:.45rem;margin-bottom:.95rem;display:flex}.ph-chips .chip{border:1px solid var(--line);color:var(--brand);background:#2563eb1a;border-radius:999px;padding:.18rem .65rem;font-size:.78rem;font-weight:600;display:inline-flex}.article-kicker{color:var(--brand);font-family:var(--font-display);letter-spacing:.06em;margin:0 0 .55rem;font-size:.78rem;font-weight:700}.post-header h1{font-family:var(--font-display);letter-spacing:-.03em;color:var(--ink);margin:0 0 .65rem;font-size:clamp(1.55rem,3.6vw,2.05rem);font-weight:800;line-height:1.25}.ph-lead{color:var(--ink-soft);margin:0 0 1rem;font-size:1.02rem;line-height:1.75}.ph-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.75rem;font-size:.88rem;display:flex}.ph-meta .dot{background:#5f7a998c;border-radius:50%;width:3px;height:3px}.article-toc-mobile{border:1px solid var(--line);background:#ffffffbf;border-radius:8px;margin-top:1.15rem;padding:.65rem .85rem}.article-toc-mobile summary{cursor:pointer;font-family:var(--font-display);font-size:.9rem;font-weight:700}.article-toc-mobile ol{flex-direction:column;gap:.4rem;margin:.65rem 0 0;padding:0 0 0 1.1rem;display:flex}.article-toc-mobile a{color:var(--ink-soft);font-size:.9rem}.article-toc-mobile a:hover{color:var(--brand)}.page-main{padding-top:1.75rem}.post-layout{align-items:start;gap:0;display:grid}.post-body{min-width:0;max-width:46rem}.prose{border:1px solid var(--line);background:#ffffffe0;border-radius:10px;padding:1.75rem 1.5rem;box-shadow:0 1px 2px #0f27440a}.prose h2{font-family:var(--font-display);letter-spacing:-.025em;color:var(--ink);margin:2.1rem 0 .8rem;scroll-margin-top:5.5rem;font-size:1.3rem;font-weight:700}.prose h2:first-child{margin-top:0}.prose p{color:var(--ink-soft);margin:0 0 1.05rem;font-size:1.02rem;line-height:1.85}.prose strong{color:var(--ink);font-weight:600}.prose a{color:var(--brand);text-underline-offset:3px;text-decoration:underline}.prose table{border-collapse:collapse;width:100%;margin:0 0 1.5rem;font-size:.92rem}.prose th,.prose td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:.65rem .85rem}.prose th{background:var(--surface-2);color:var(--ink);font-weight:600}.prose td{color:var(--ink-soft)}.prose ul,.prose ol{margin:1rem 0 1.5rem;padding-left:1.2rem}.prose li{color:var(--ink-soft);margin-bottom:.35rem;font-size:1.02rem;line-height:1.8}.prose pre{border:1px solid var(--line);color:#e2e8f0;background:#0f172a;border-radius:8px;margin:0 0 1.25rem;padding:1rem 1.1rem;font-size:.86rem;line-height:1.55;overflow-x:auto}.prose .chat-demo{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;margin:0 0 1.25rem;padding:.95rem 1.15rem;font-size:.95rem}.table-scroll{width:100%;margin:0 0 1.5rem;overflow-x:auto}.cmp-table{border-collapse:collapse;width:100%;min-width:32rem;font-size:.92rem}.cmp-table th,.cmp-table td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:.65rem .85rem}.cmp-table th{background:var(--surface-2);color:var(--ink);font-weight:600}.cmp-table td{color:var(--ink-soft)}.steps,.plain-list{flex-direction:column;gap:.55rem;margin:1rem 0 1.5rem;padding-left:1.2rem;display:flex}.steps li,.plain-list li{color:var(--ink-soft);font-size:1.02rem;line-height:1.8}.toc{display:none}.toc-title{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin-bottom:.75rem;font-size:.82rem;font-weight:700}.toc ul{margin:0;padding:0;list-style:none}.toc li{margin-bottom:.35rem}.toc a{color:var(--ink-soft);font-size:.85rem;line-height:1.45;text-decoration:none}.toc a:hover{color:var(--brand)}.brand-cta{color:#fff;background:linear-gradient(135deg,#1d4ed8 0%,#2563eb 100%);border-radius:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.15rem;margin-top:1.75rem;padding:1.5rem 1.6rem;display:flex}.brand-cta h3{font-family:var(--font-display);margin:0 0 .4rem;font-size:1.15rem;font-weight:700}.brand-cta p{opacity:.92;max-width:36rem;margin:0;font-size:.95rem;line-height:1.55}.brand-cta-actions{flex-wrap:wrap;gap:.6rem;display:flex}.btn-on-dark{color:#1d4ed8;background:#fff;border:none}.btn-on-dark:hover{background:#f8fbff}.btn-ghost-on-dark{color:#fff;background:0 0;border:1px solid #ffffff73}.btn-ghost-on-dark:hover{background:#ffffff1a}.post-nav{grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.5rem;display:grid}.pn{border:1px solid var(--line);background:#fffc;border-radius:8px;padding:1rem 1.1rem;text-decoration:none;display:block}.pn:hover{border-color:#2563eb59}.pn.next{text-align:right}.pn-label{color:var(--muted);margin-bottom:.35rem;font-size:.8rem}.pn-title{font-family:var(--font-display);color:var(--ink);font-size:.95rem;font-weight:600;line-height:1.4}.pn:hover .pn-title{color:var(--brand)}.related{margin-top:2.75rem;padding-top:.5rem}.related h2{font-family:var(--font-display);margin:0 0 1.1rem;font-size:1.25rem;font-weight:800}.related .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.1rem;display:grid}@media (width>=1100px){.article-toc-mobile{display:none}.post-layout{grid-template-columns:minmax(0,1fr) 14.5rem;column-gap:2rem}.post-body{max-width:none}.prose{padding:2.2rem 2.4rem}.toc{border:1px solid var(--line);background:#ffffffe6;border-radius:8px;max-height:calc(100vh - 6.5rem);padding:1.15rem 1.2rem;display:block;position:sticky;top:5.5rem;overflow:auto;box-shadow:0 1px 2px #0f27440a}}@media (width<=980px){.related .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=640px){.prose{padding:1.25rem 1.1rem}.post-nav{grid-template-columns:1fr}.pn.next{text-align:left}.related .grid-3{grid-template-columns:1fr}.brand-cta{flex-direction:column;align-items:flex-start}}
